- New York: Doubleday and Company,Inc. 
 - 1614 
<br/><br/> BK  Tractatus logico-Philosophicus & Positivism 
<br/><br/><label>ISBN: </label>192/HAR/W 
<br/><br/><label>Standard No.: </label>Hartnack, Justus 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BK
<br/><br/><label>Dewey Class. No.: </label> /